javaextensions/satsa/apdu/src.s60/cstsfile.cpp
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/satsa/apdu/src.s60/cstsfile.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+ *
+*/
+
+
+// INCLUDE FILES
+
+#include  "cstsfile.h"
+
+namespace java
+{
+namespace satsa
+{
+
+// CONSTANTS
+const TUint8 KSTSSequenceTag = 0x30;
+//sequence byte + 3 bytes for long form length
+const TInt KSTSTLVHeaderLength = 4;
+const TInt KSTSFirstOctet = 8;
+const TUint8 KSTSInitialLengthOctet = 0x82;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSTSFile::CSTSFile
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSTSFile::CSTSFile()
+{
+}
+
+// Destructor
+CSTSFile::~CSTSFile()
+{
+    delete iDataBuf;
+}
+
+// -----------------------------------------------------------------------------
+// CSTSFile::ReadL
+// Reads and decodes file data
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CSTSFile::ReadL(TInt aMaxValidDataAmount)
+{
+    ResetData();
+
+    TPtrC8 fileData;
+    fileData.Set(RetrieveContentL());
+    iFileSize = fileData.Length();
+    iMaxValidDataAmount = aMaxValidDataAmount;
+    //allocate buffer for file data
+    HBufC8* tmp = HBufC8::NewL(iFileSize + KSTSTLVHeaderLength);
+    delete iDataBuf;
+    iDataBuf = tmp;
+
+    //append sequence tag and size bytes
+    iDataBuf->Des().Append(KSTSSequenceTag);
+    iDataBuf->Des().Append(KSTSInitialLengthOctet);
+    iDataBuf->Des().Append(iFileSize >> KSTSFirstOctet);//first octet=high byte of length
+    iDataBuf->Des().Append(iFileSize); //second octet=low byte of length
+
+    TPtr8 wholeData(iDataBuf->Des());
+    wholeData.Append(fileData);
+
+    DecodeL(wholeData);
+}
+
+// -----------------------------------------------------------------------------
+// CSTSFile::FoundRecords
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+TInt CSTSFile::FoundRecords() const
+{
+    return iFoundRecords;
+}
+
+// -----------------------------------------------------------------------------
+// CSTSFile::DecodeL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CSTSFile::DecodeL(const TDesC8& aRawData)
+{
+    CArrayPtr<TASN1DecGeneric>* itemsData = DecodeSequenceLC(EFalse, //must be sequence
+                                            aRawData);
+
+    TInt count = itemsData->Count();
+    TBool validDataFound = EFalse;
+
+    for (TInt i = 0; (i < count) && !validDataFound; i++)
+    {
+        validDataFound = DecodeAndAppendRowL(itemsData->At(i)->Encoding(),
+                                             iMaxValidDataAmount);
+    }
+    CleanupStack::PopAndDestroy(itemsData);
+
+}
+
+} // namespace satsa
+} // namespace java
+//  End of File